Download MBBS Extrahepatic Biliary Apparatus Lecture PPT

Download MBBS (Bachelor of Medicine and Bachelor of Surgery) Latest Extrahepatic Biliary Apparatus Lecture PPT


EXTRAHEPATIC BILIARY

APPARATUS


INTRAHEPATIC

BILIARY SYSTEM

NOT

OUR BUISNESS


EXTRAHEPATIC BILIARY APPARATUS

Consists of :

1. Rt. hepatic duct

2. Lt. hepatic duct

3. Com. hepatic duct

4. Cystic duct

5. Com. Bile duct

6. Gallbladder


HEPATIC DUCTS

? Emerge from

porta hepatis

? Rt. & Lt. HDs

unite to form

Common Hepatic

Duct(CHD)

? CHD =4 cm

? CHD descend in

lesser omentum

? Joined by cystic

duct to form CBD


GALL BLADDER

Pear shape

?7-10 cm in length

?Up to 50 Ml

?In the gallbladder

fossa on the visceral

surface of the liver



Gall Bladder(Parts)

?Fundus

?Body

?Neck

?Infundibulum

(Hartmann's pouch)


Surface projection of

fundus: Right linear

semilunaris// right costal

margin = Murphy's point


RELATIONS OF

GALLBLADDER:

ANTERIORLY:

? Ant. Abdominal wall

? Inferior surface of

liver

POSTERIORLY:

? Transverse colon

? 1st & 2nd

duodenum


CYSTIC DUCT

? 3.8 cm

? Somewhat S shaped

? Its mucous membrane

is forming a spiral fold

( the spiral valve )


CALOT'S TRIANGLE


Moynihan's hump


BLOOD SUPPLY:

?ARTERIAL :

Cystic artery

? VENOUS :

Cystic vein

? LYMPHATICS :

A cystic LN at the neck

of GB

? NERVES :

Autonomic from

coeliac plexus

Cholecystokinin


BILE DUCT/COMMON BILE DUCT

? 8cm(3 inch) long &

about 6mm in dia.

? 1st course (Lesser

Omentum)

? 2nd course

(behind 2nd Duo.)

? 3rd course ( post.

To head of

pancreas )



Blood supply of Bile Duct


SPHINCTERS
Clinical points:

? Gallstones

? Biliary colic (epigastric pain, jaundice &

pancreatitis)

? Acute cholecystitis & referred pain to

shoulder

? Cholecystectomy ( variations )

? Gangrenous ( single arterial supply )

? Biliary atresia
Imaging of the Biliary Tract

1. Cholecystography
2. Ultrasound
3. Endoscopic Retrograde

Cholangiopancreatography(ERCP)

4. Magnetic Resonance

Cholangiopancreatography(MRCP)


Endoscopic retrograde

Magnetic resonance

cholangiopancreatography(ERCP)

cholangiopancreatography(MRCP)

This post was last modified on 30 November 2021